For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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Couples' personalities converge over time to make partners more and more similar.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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A man's beard grows fastest when he anticipates sex.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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